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Spring Plungers（Screw Type of Pin Plunger：Short Stroke）

A spring plunger is a mechanical device consisting of a pin or plunger enclosed within a housing, with a spring providing force to extend or retract the plunger. When not acted upon, the spring pushes the plunger outward from the housing. Applying external force compresses the spring, allowing the plunger to retract. Once the force is removed, the spring pushes the plunger back out. Some spring plungers have locking mechanisms for added stability. They are widely used in manufacturing for precise positioning, retaining objects in place, aligning components, and providing adjustable force. They can also serve as safety devices by giving feedback or triggering switches. In essence, spring plungers offer a simple yet effective solution for controlling motion and force in various applications. To select a Misumi spring plunger, consult the product specifications for factors such as size, material, spring force, and any additional features required for your specific application needs. Then, use MISUMI's online catalog or contact direct our MISUMI for assistance.

11 items

: 30; 45; 60

Days to Ship	All Same day 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less

On Sale Till 31/03/2025

Short Spring Plungers - Stainless Steel

MISUMI

Products with loosening prevention have been treated with loosening prevention treatment (epoxy resin adhesive) in advance.
Workability is improved with no need for thread locking agents! Achieved reduced screw locking agent application work and stable quality of loosening prevention.

[Features that prevent loosening]
- When screwed in, the microcapsules are destroyed and hardening begins.
・Excellent chemical resistance and heat resistance.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 9.78-
	Special Price
Days to Ship:	Same day or more

On Sale Till 31/03/2025

Short Spring Plungers - Steel

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 4.88-
	Special Price
Days to Ship:	Same day or more

On Sale Till 31/03/2025

Short Stroke Plunger - PSP

NABEYA BI-TECH

[Features]
· With nylon welding to prevent loosening (except for M3 and M4).
· PSP-N is equipped with plastic pins.
· Does not scratch the workpiece.
· Use the dedicated plunger wrench (PPW) for pin mounting and removal.
· Use abrasion-resistant ball buttons (BB) on the receiving end.
· The manufacturer also offers custom products made to unique specifications, including dimensions, loads, and materials, etc.

CAD ：: 2D / 3D

Standard Price:	SGD 7.82-
	Special Price
Days to Ship:	3 Day(s) or more

Short Stroke Plungers (Heavy Load) SP-H

KONISHI

This is a heavy duty type of short spring plunger. Compatible wrenches for SP-3-H and SP-4-H are not available.

CAD ：: 2D

Standard Price:	SGD 9.71-
Days to Ship:	3 Day(s) or more

Short Plunger SPL

KONISHI

A spring is built in the screw, and the spring force causes the ball to move in and out. It can be used for indexing, positioning, and extrusion of jigs. Since the thread diameters range from M4 to M24, please select the required size.

CAD ：: 2D

Standard Price:	SGD 3.95-
Days to Ship:	3 Day(s) or more

Short Stroke Plunger PSPS

NABEYA BI-TECH

[Features]
- Short stroke plunger made of stainless steel.
- Outstanding durability.
- PSPS-NS or PSPS-NZ pins are made of plastic.
- Does not scratch the workpieces.
- Use the dedicated plunger wrench PPW for mounting or dismounting from the pin side.
- Use the ball button BB with improved abrasion resistance for the receiving side.
- Products with special dimension, load, or material specs can also be produced.

CAD ：: 2D / 3D

Standard Price:	SGD 20.83-
Days to Ship:	3 Day(s) or more

Short-Stroke Plunger SP

KONISHI

[Features]
・ A spring is built in the screw, and the pin will come in and out with the force of the spring
・ It can be used for indexing, positioning and extrusion of jigs
・ Since the thread diameters range from M4 to M24, please select the required size

CAD ：: 2D

Standard Price:	SGD 7.05-
Days to Ship:	3 Day(s) or more

Short Stroke Plungers SPS

KONISHI

All-stainless steel ball short-stroke plungers, ideal for food machinery/outdoor installation due to its superior anti-rust properties.

CAD ：: 2D

Standard Price:	SGD 16.09-
Days to Ship:	4 Day(s) or more

Short Stroke Plungers SPS-D

KONISHI

A short-stroke plunger in full stainless steel. Ideally suited to catering machinery and outdoor installations due to its superior anti-rust properties.

CAD ：: 2D

Standard Price:	SGD 18.43-
Days to Ship:	4 Day(s) or more

Short Stroke Plungers (Light Load) SP-S

KONISHI

This is a light duty type of short spring plunger. Compatible wrenches for SP-3-H and SP-4-H are not available.

CAD ：: 2D

Standard Price:	SGD 9.65-
Days to Ship:	4 Day(s) or more

Short Stroke Plungers SP-D

KONISHI

An integral spring inside the screw forces a pin in and out. Can be used to determine, select the position of, and push out fixtures. Screw diameters from M4 to M16 are available. Simply select the size you require.

CAD ：: 2D

Standard Price:	SGD 11.79-
Days to Ship:	4 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Outer Dia. M(mm)
Stroke S(mm)
Tip Material
Body Material
Mounting Method
Initial Load (Range)(N)
Lock
Tip Heat Treatment
Screw Type of Pin Plunger
Wrench Hole Shape
Main Body Surface Treatment
Tip Surface Treatment

	On Sale Till 31/03/2025	On Sale Till 31/03/2025	On Sale Till 31/03/2025
Brand	MISUMI	MISUMI	NABEYA BI-TECH	KONISHI	KONISHI	NABEYA BI-TECH	KONISHI	KONISHI	KONISHI	KONISHI	KONISHI
Product Series	Short Spring Plungers - Stainless Steel	Short Spring Plungers - Steel	Short Stroke Plunger - PSP	Short Stroke Plungers (Heavy Load) SP-H	Short Plunger SPL	Short Stroke Plunger PSPS	Short-Stroke Plunger SP	Short Stroke Plungers SPS	Short Stroke Plungers SPS-D	Short Stroke Plungers (Light Load) SP-S	Short Stroke Plungers SP-D
CAD	2D / 3D	2D / 3D	2D / 3D	2D	2D	2D / 3D	2D	2D	2D	2D	2D
Days to Ship	Same day or more	Same day or more	3 Day(s) or more	3 Day(s) or more	3 Day(s) or more	3 Day(s) or more	3 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more
Outer Dia. M(mm)	3 ～ 16	3 ～ 16	3 ～ 12	3 ～ 12	4 ～ 24	4 ～ 12	3 ～ 24	4 ～ 16	4 ～ 16	5 ～ 12	4 ～ 16
Stroke S(mm)	1 ～ 4.5	1 ～ 4.5	1.5 ～ 5	1.5 ～ 5	1.5 ～ 8	2 ～ 5	1 ～ 10	1.5 ～ 5	1.5 ～ 5	3 ～ 5	1.5 ～ 5
Tip Material	Stainless Steel / Plastic	Steel / Plastic	Steel / Plastic	Steel	Steel	Stainless Steel / Plastic	Steel	Stainless Steel	Plastic	Steel	Plastic
Body Material	Stainless Steel	Steel	Steel	Steel	Steel	Stainless Steel	Steel	Stainless Steel	Stainless Steel	Steel	Steel
Mounting Method	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In
Initial Load (Range)(N)	0.01~50	0.01~50	0.01~50	0.01~50	0.01~50 / 50.01~100	0.01~50	0.01~50 / 50.01~100	0.01~50	0.01~50	0.01~50	0.01~50
Lock	Not Provided	Not Provided	Provided	Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Provided	Not Provided
Tip Heat Treatment	Not Provided / Hardening	Not Provided / Carburized	Not Provided / Hardening	Not Provided	Not Provided	Not Provided / Hardening	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Screw Type of Pin Plunger	Short Stroke	Short Stroke	Short Stroke	Short Stroke	Short Stroke	Short Stroke	Short Stroke	Short Stroke	Short Stroke	Short Stroke	Short Stroke
Wrench Hole Shape	Hex	Hex	Hex	Hex	Negative	Hex	Hex	Hex	Hex	Hex	Hex
Main Body Surface Treatment	Not Provided / Electroless Nickel Plating	Black Oxide / Electroless Nickel Plating	Black Oxide / Electroless Nickel Plating	Black Oxide	Black Oxide	Not Provided	Black Oxide	Not Provided	Not Provided	Black Oxide	Black Oxide
Tip Surface Treatment	Not Provided	Not Provided / Black Oxide / Trivalent Chromate	Not Provided / Black Oxide / Trivalent Chromate	Black Oxide	Black Oxide	Not Provided	Black Oxide	Nitriding Treatment	Not Provided	Trivalent Chromate	Not Provided

Configure

Specification/Dimensions

Outer Dia. M(mm)
1.5

2

3

4

5

6

8

10

12

16

20

24

30
Drawing

Clear

Stroke S(mm)
1

1.2

1.5

2

2.3

2.5

3

3.5

4

4.5

5

6

6.5

7

8

9

10

11

12

15

20

30

40

50

60

70

80
Drawing

Clear

Tip Material
- Steel
- Stainless Steel
- Plastic
- Others
Clear

Body Material
- Steel
- Stainless Steel
- Aluminum
Clear

Mounting Method
- Screw-In
- Press Fit
- Screw Clamp
Clear

Initial Load (Range)(N)
- 0.01~50
- 50.01~100
Clear

Lock
- Not Provided
- Provided
Clear

Tip Heat Treatment
- Not Provided
- Hardening
- Carburized
Clear

Screw Type of Pin Plunger
- Flat
- Spherical
- Taper R
- Flanged
- Tapped Tip
- With Hex Nose
- With Hex Socket
- Short Stroke
- Long Stroke
Images

Clear